/Engine/Source/Runtime/Datasmith/CADKernel/Public/CADKernel/Mesh/Criteria/CriterionType.h
this will eventually be reconciled with what the Geometry team is using.
namespace UE { namespace CADKernel { enum ECriterion { Size = 0, MaxSize = 1, MinSize = 2, Angle = 3, Sag = 4, CADCurvature = 5, None = 255, } } }